use strict;
use warnings;
use Fcntl qw(:seek);
-use IO::Handle;
+use IO::Handle; # ->flush
use HTTP::Date qw(time2str);
-use HTTP::Status qw(status_message);
-use Plack::Util;
use PublicInbox::Qspawn;
use PublicInbox::Tmpfile;
+use PublicInbox::WwwStatic qw(r @NO_CACHE);
# 32 is same as the git-daemon connection limit
my $default_limiter = PublicInbox::Qspawn::Limiter->new(32);
my $BIN = join('|', @binary);
my $TEXT = join('|', @text);
-my @no_cache = ('Expires', 'Fri, 01 Jan 1980 00:00:00 GMT',
- 'Pragma', 'no-cache',
- 'Cache-Control', 'no-cache, max-age=0, must-revalidate');
-
-sub r ($;$) {
- my ($code, $msg) = @_;
- $msg ||= status_message($code);
- my $len = length($msg);
- [ $code, [qw(Content-Type text/plain Content-Length), $len, @no_cache],
- [$msg] ]
-}
-
sub serve {
my ($env, $git, $path) = @_;
- # XXX compatibility... ugh, can we stop supporting this?
- $git = PublicInbox::Git->new($git) unless ref($git);
-
# Documentation/technical/http-protocol.txt in git.git
# requires one and exactly one query parameter:
if ($env->{QUERY_STRING} =~ /\Aservice=git-[A-Za-z0-9_]+-pack\z/ ||
$env->{'psgi.errors'}->print(@msg, "\n");
}
-sub drop_client ($) {
- if (my $io = $_[0]->{'psgix.io'}) {
- $io->close; # this is PublicInbox::DS::close
- }
-}
-
my $prev = 0;
my $exp;
sub cache_one_year {
'Cache-Control', 'public, max-age=31536000';
}
-sub static_result ($$$$) {
- my ($env, $h, $f, $type) = @_;
- return r(404) unless -f $f && -r _; # just in case it's a FIFO :P
-
- # TODO: If-Modified-Since and Last-Modified?
- open my $in, '<', $f or return r(404);
- my $size = -s $in;
- my $len = $size;
- my $code = 200;
- push @$h, 'Content-Type', $type;
- if (($env->{HTTP_RANGE} || '') =~ /\bbytes=([0-9]*)-([0-9]*)\z/) {
- ($code, $len) = prepare_range($env, $in, $h, $1, $2, $size);
- if ($code == 416) {
- push @$h, 'Content-Range', "bytes */$size";
- return [ 416, $h, [] ];
- }
- }
- push @$h, 'Content-Length', $len;
- my $n = 65536;
- [ $code, $h, Plack::Util::inline_object(close => sub { close $in },
- getline => sub {
- return if $len == 0;
- $n = $len if $len < $n;
- my $r = sysread($in, my $buf, $n);
- if (!defined $r) {
- err($env, "$f read error: $!");
- } elsif ($r <= 0) {
- err($env, "$f EOF with $len bytes left");
- } else {
- $len -= $r;
- $n = 8192;
- return $buf;
- }
- drop_client($env);
- return;
- })]
-}
-
sub serve_dumb {
my ($env, $git, $path) = @_;
cache_one_year($h);
} elsif ($path =~ /\A(?:$TEXT)\z/o) {
$type = 'text/plain';
- push @$h, @no_cache;
+ push @$h, @NO_CACHE;
} else {
return r(404);
}
-
- static_result($env, $h, "$git->{git_dir}/$path", $type);
+ $path = "$git->{git_dir}/$path";
+ PublicInbox::WwwStatic::response($env, $h, $path, $type);
}
-sub prepare_range {
- my ($env, $in, $h, $beg, $end, $size) = @_;
- my $code = 200;
- my $len = $size;
- if ($beg eq '') {
- if ($end ne '') { # "bytes=-$end" => last N bytes
- $beg = $size - $end;
- $beg = 0 if $beg < 0;
- $end = $size - 1;
- $code = 206;
- } else {
- $code = 416;
- }
- } else {
- if ($beg > $size) {
- $code = 416;
- } elsif ($end eq '' || $end >= $size) {
- $end = $size - 1;
- $code = 206;
- } elsif ($end < $size) {
- $code = 206;
- } else {
- $code = 416;
- }
- }
- if ($code == 206) {
- $len = $end - $beg + 1;
- if ($len <= 0) {
- $code = 416;
- } else {
- sysseek($in, $beg, SEEK_SET) or return [ 500, [], [] ];
- push @$h, qw(Accept-Ranges bytes Content-Range);
- push @$h, "bytes $beg-$end/$size";
-
- # FIXME: Plack::Middleware::Deflater bug?
- $env->{'psgix.no-compress'} = 1;
- }
- }
- ($code, $len);
+sub git_parse_hdr { # {parse_hdr} for Qspawn
+ my ($r, $bref, $dumb_args) = @_;
+ my $res = parse_cgi_headers($r, $bref) or return; # incomplete
+ $res->[0] == 403 ? serve_dumb(@$dumb_args) : $res;
}
# returns undef if 403 so it falls back to dumb HTTP
$env{PATH_TRANSLATED} = "$git->{git_dir}/$path";
my $rdr = input_prepare($env) or return r(500);
my $qsp = PublicInbox::Qspawn->new([qw(git http-backend)], \%env, $rdr);
- $qsp->psgi_return($env, $limiter, sub { # parse_hdr
- my ($r, $bref) = @_;
- my $res = parse_cgi_headers($r, $bref) or return; # incomplete
- $res->[0] == 403 ? serve_dumb($env, $git, $path) : $res;
- });
+ $qsp->psgi_return($env, $limiter, \&git_parse_hdr, [$env, $git, $path]);
}
sub input_prepare {
err($env, "error seeking temporary file: $!");
return;
}
- { 0 => fileno($in), -hold => $in };
+ { 0 => $in };
}
sub parse_cgi_headers {